91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
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#include "dialog_device_scan.h"
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#include "ui_dialog_device_scan.h"
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Dialog_Device_Scan::Dialog_Device_Scan(HGSaneDevice dev, QWidget *parent) :
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QDialog(parent),
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ui(new Ui::Dialog_Device_Scan)
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{
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ui->setupUi(this);
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m_saneDev = dev;
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connect(this, SIGNAL(eventFunc(unsigned int, QString)), this, SLOT(on_eventFunc(unsigned int, QString)), Qt::QueuedConnection);
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ui->pushButton_Continue->setEnabled(false);
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ui->pushButton_Cancel->setEnabled(false);
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ui->pushButton_Complete->setEnabled(false);
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on_pushButton_Continue_clicked();
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}
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Dialog_Device_Scan::~Dialog_Device_Scan()
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{
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delete ui;
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}
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void HGAPI Dialog_Device_Scan::DeviceEventFunc(HGSaneDevice dev, HGUInt error, const HGChar *errInfo, HGPointer param)
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{
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Dialog_Device_Scan *p = (Dialog_Device_Scan*)param;
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emit p->eventFunc(error, tr(errInfo));
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}
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void HGAPI Dialog_Device_Scan::DeviceImageFunc(HGSaneDevice dev, HGImage image, HGPointer param)
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{
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Dialog_Device_Scan *p = (Dialog_Device_Scan*)param;
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HGImage image2 = nullptr;
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HGBase_CloneImage(image, 0, 0, &image2);
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if (nullptr != image2)
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{
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emit p->newImage(image2);
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}
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}
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void Dialog_Device_Scan::on_eventFunc(HGUInt error, QString errInfo)
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{
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if (HGBASE_ERR_OK == error)
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ui->label->setText("扫描完成");
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else
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ui->label->setText(errInfo);
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HGSane_StopDevice(m_saneDev);
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ui->pushButton_Continue->setEnabled(true);
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ui->pushButton_Cancel->setEnabled(false);
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ui->pushButton_Complete->setEnabled(true);
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}
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void Dialog_Device_Scan::on_pushButton_Cancel_clicked()
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{
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HGSane_StopDevice(m_saneDev);
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ui->pushButton_Continue->setEnabled(true);
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ui->pushButton_Cancel->setEnabled(false);
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ui->pushButton_Complete->setEnabled(true);
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}
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void Dialog_Device_Scan::on_pushButton_Complete_clicked()
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{
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accept();
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}
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void Dialog_Device_Scan::on_pushButton_Continue_clicked()
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{
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HGChar errInfo[256];
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HGResult ret = HGSane_StartDevice(m_saneDev, DeviceEventFunc, this, DeviceImageFunc, this, errInfo, 256);
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if (HGBASE_ERR_OK != ret)
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{
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ui->pushButton_Continue->setEnabled(true);
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ui->pushButton_Cancel->setEnabled(false);
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ui->pushButton_Complete->setEnabled(true);
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ui->label->setText(tr(errInfo));
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}
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else
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{
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ui->pushButton_Continue->setEnabled(false);
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ui->pushButton_Cancel->setEnabled(true);
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ui->pushButton_Complete->setEnabled(false);
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ui->label->setText("扫描中...");
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}
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}
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